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Featuring Double Back, so your compressed sound never loses its bite.
Seymour Duncan's SFX-09 Double Back Compressor is a stompbox that won't get in the way of your unique sound. Simply put, a compressor makes quiet passages louder and loud passages quieter, making your sound more "professional" by providing smooth dynamics and enhanced sustain. Most other compressors, however, can get in the way of your guitar's natural transients and feel—but not the Double Back. This feature, which gives this compression pedal its name, allows some of the uncompressed sound—specifically the initial "snap" of the string—to "double back" into the compressor output, thus preserving the essential essence and sensation of a guitar string being plucked. And it's extremely quiet.
At its heart, the Double Back is a low-noise, low-distortion compressor-sustainer pedal with very wide-range compression, exceptional sustain, and simple, intuitive control of compressor dynamics. One control knob adjusts the compression ratio from 1:1 to over 20:1 and simultaneously sets the maximum sustain, with an extraordinary 60dB of sustain gain being engaged at high compression ratios. Added to this are 3 features that preserve the playing dynamics and feel that are lost with many other compressors. The first is the Double Back control, blending some of your guitar's uncompressed signal with the compressed signal, thus preserving the essence and sensation of a string being plucked. The second is a 3-position switchable frequency filter, allowing the tone of this sound to be tailored to fit the music and the player's taste. The third is the Attack control, which determines how fast the compressor responds to each pick attack. The range of this control is enormous. At its fastest speed, the compressor action is almost instantaneous—the guitar sound is compressed as soon as the pick releases the string. At medium speeds, the initial organic thunk of the guitar body gets through before the compressor acts. At the slowest speed, a massive explosion of sound precedes the sustained tone, hammering out the guitar dynamics while still providing incredible sustain.
Don't sacrifice your distinctive sound—add the SFX-09 Double Back to the cart now.
Reviewed by 4 customers
Displaying reviews 1-4
First of all, it's funk settings are spot on. If you're looking for a classic MXR DynaComp more limiter than compressor sound, this is a great pedal. Secondly, there's the DoubleBack control, which is very useful. But, I wouldn't call it a transparent boost. It does color your sound, slightly. With humbuckers, I find that my sound gets a little bit ruder and a bit more angular, less round, less warm. For a biting solo boost, this might be exactly what you want, though.Third, the Attack is a bit counter-intuitive (if you already know something or other about compressors); but after looking at the manual, you should be fine.Fourth, the Sustain...this is the pedal's weak spot. Though, you can get quite a bit of sustain without annoying pump-style artifacts, it truly colors your tone. Between it and the DoubleBack, I imagine you can make a Les Paul sound like a modeled Strat or Tele. For country players, this might be the ticket, though.Fifth, quality...after about three months the pedal intermittently begins acting as a kill switch. If you leave it on all the time, you might be fine. Otherwise, this is the straw that broke the pedalboard's back, expect to be bending over between songs, fiddling with it when you turn it on and off (pulling cables, powering down, giving it a good fist-down whack).Seymour Duncan...hmmm...established company that's gotten fat, inefficient, complacent...I don't know. But hey, it's America...that's what established companies are supposed to do.
I'm 51 years old and have been playing guitar for 35+ years. I purchased this several months ago, so I can really say. . . Wow!!! Thank you Soooo much Seymour Duncan!!! You guys really did it, and hit a Homerun with this one.The "Double Back Compressor" will get you the widest variety of sounds from the Classic "Carlos Santana/Frank Zappa sustain. . . to Classic Country sounds, and everything in between! With all of your tone intact! I'm not sure what the previous reviewer's problem was. Perhaps they we're playing it through a cheapie solid state amp? I've been using it for several months now, playing through both my Fender "Blues Deluxe" and my "Blues Deville 4X10" and I'm even more impressed with the product as time gone by. My typical A/B test of stomp boxes, or guitars for that matter, is to plug into the Fender "Blues Deluxe" with nothing between the guitar and amp. The absolute crystal clarity to the "Blues Deluxe" will tell you exactly(!) what your guitar REALLY sounds like, and this is also true of your stomp boxes. . . Don't let the price tag fool you, you'll have the compression quality and versatility of rack mounted device in a stomp box for a fraction of the cost. Thank you again Seymour Duncan for a GREAT product.
I just received my Double Back compressor this morning, and have spent the rest of the day playing through different configurations, settings, and with different effects, eq's, etc. I've tried several compressors before I made my decision, such as the Boss CS-3, and they can't touch the Double Back (and I have quite a few Boss effects; I'm pretty much a Boss fan). The Double Back's compression is smooth, and the uncompressed signal is seamlessly blended with the compressed signal; this is the Double Back feature. It really makes all of my guitars sing (guitars: G&L F-100 return with dual MFD humbuckers, a G&L Legacy and a Fullerton Signature with vintage Alnicos, Legacy=SeyDun TB-4 in bridge) beautifully for as long as I want. I highly recommend this pedal for anyone seeking a compressor/sustainer of any kind. As titled, I truly can't stop playing through it. It's an excellent product.
It is a good compressor, yet not the best. doubleback feature is interesting and needs to be played around with a different volumes. sustain is my main issue. if you go past 70% it turns your tone into a twang. your picking can be really heard when you push it up. didnt like it. yet, I still have the unit, leave it on all the time and does itys basic need.